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In this paper, a novel intra prediction algorithm, named enhanced line-based intra prediction (ELIP), is proposed to improve the traditional intra prediction methods for image/intra-frame coding. Different from the existing schemes where the interpolation filtering only depends on the intra prediction mode, in the proposed ELIP, the linear filtering coefficients are further refined by imposing both...
This paper presents a high performance dual-core reconfigurable processor implementation methodology for a demosaicing system that targets next generation camera systems. The implementation methodology is based on dual-core architecture with coarse-grained dynamically reconfigurable processors. The demosaicing system adopts Freeman's algorithm that has been partitioned and mapped onto two customized...
In order to quickly operate large quantities of cells and obtain optimized operation sequence, it is ideal to get location information of overall cells to be operated. Therefore this paper collects low-resolution microscopic images in which we can observe a large sum of cells. To obtain their accurate locations, this paper puts forward Improved Circle Similarity Algorithm for solving the problem of...
Efficient pedestrian detection is essential for intelligent vehicles and driver assistance system. An increasing number of experts have attached more importance to this subject in recent years. The input of this task is a video captured by a monocular optical camera which is installed on a vehicle. And the aim is to locate every pedestrian in each frame of the video as soon as possible. This task...
This paper presents a novel method for the interior shading stage of pencil rendering. With screen-space ambient occlusion approach, this real-time method can distinguish the areas which should be shaded dark more precisely and more naturally. To achieve the pencil stokes effect, we propose a blurring method to generate a pencil-texture-like effect but without any use of texture. The whole rendering...
A uniaxial compression scan test for coal specimen with the industrial computer tomography (ICT) equipment and the loading system were carried out. Clear CT images were obtained which indicate development of microcracks within the coal specimen at different stress stage. The CT image intensity of neighborhood of every pixel is well estimated by least squares support vector machines (LS-SVM) and the...
For observing the changing process of the micro objects in biomedicine area, micro image sequences need to be developed by extending the three-dimensional microscopic images in the temporal domain. Due to the slow changing rate of the micro object, micro image sequences have a large number of temporal redundancies. In order to improve the tracking efficiency, a novel scale adjustable frame mapping...
The Ant colony optimization (ACO) algorithm is relatively a new meta-heuristic algorithm and a successful paradigm of all the algorithms which take advantage of the insectpsilas behavior. It has been applied to solve many optimization problems with good discretion, parallel, robustness and positive feedback. As an advanced optimization algorithm, only recently, researchers began to apply ACO to image...
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